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RE: st: margins
From
"Ozturk, Orgul" <[email protected]>
To
"'[email protected]'" <[email protected]>
Subject
RE: st: margins
Date
Tue, 21 Jan 2014 08:07:09 -0500
Maarten,
Thank you for your response.
I have this specifications :
reg logrealwagechange i.promCurrentJob##i.woman#i.govt##i.schoolinggroup $extras $industry $occupationclass if careerstage==3 , noc
for this margins give me no estimates.
Once I have the estimates I want to run test comparing male female estimates within each schooling, and sector by promotion status
And then again I want to look at effect of promotion by looking at wage growth for promoted and nonpromoted by schooling, sector and gender.
Everything runs without a problem if I ignore the nonexistence of the constant. It does not really make a difference for this case but I want to learn how it is to be estimated for future reference
For the xtlogit fe I am working with
xtlogit promCurrentJob i.woman##i.careerstage##i.govt##i.schoolinggroup $usualsuspects, fe
I create the estimates by setting the unobserved factors equal to zero, but when I then tabulate them by career stage, sector and gender{reference group (male in early career with lowest education in private sector) ] I cannot get the varying marginal effect of early career in private sector. Even if I get these I am not perfectly sure how to interpret them.
Thank you.
Orgul
Orgul Demet Ozturk
Assistant Professor of Economics
Economics Department
Moore School of Business
University of South Carolina
https://sites.google.com/site/orguldemetozturk/
-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Maarten Buis
Sent: Tuesday, January 21, 2014 3:19 AM
To: [email protected]
Subject: Re: st: margins
--- On Mon, Jan 20, 2014 at 8:29 PM, Ozturk, Orgul wrote:
> How can I produce average marginal effects after an OLS regression with no constant term.
> It gives "non-estimable"
I cannot reproduce your problem, the following runs without problem on Stata 12:
*--------- begin example --------------
sysuse auto
reg price ibn.rep78 mpg, hascons
margins i.rep78
*---------- end example ---------------
Can you tell us exactly what you typed?
> Moreover, how can one produce AMEs using margins command after a fixed
> effects logistic regression (after xtlogit, fe)
You'll probably need to specify the -predict()- option of margins, how will depend on what _exactly_ you want.
-- Maarten
---------------------------------
Maarten L. Buis
WZB
Reichpietschufer 50
10785 Berlin
Germany
http://www.maartenbuis.nl
---------------------------------
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